diff options
Diffstat (limited to 'guix/derivations.scm')
| -rw-r--r-- | guix/derivations.scm | 69 |
1 files changed, 34 insertions, 35 deletions
diff --git a/guix/derivations.scm b/guix/derivations.scm index f85666bcb9..11d47e9702 100644 --- a/guix/derivations.scm +++ b/guix/derivations.scm @@ -206,6 +206,9 @@ that form." (define (write-list lst) (display (list->string lst) port)) + ;; Note: lists are sorted alphabetically, to conform with the behavior of + ;; C++ `std::map' in Nix itself. + (match drv (($ <derivation> outputs inputs sources system builder args env-vars) @@ -217,22 +220,30 @@ that form." (or (and=> hash-algo symbol->string) "") (or (and=> hash bytevector->base16-string) "")))) - outputs)) + (sort outputs + (lambda (o1 o2) + (string<? (car o1) (car o2)))))) (display "," port) (write-list (map (match-lambda (($ <derivation-input> path sub-drvs) (format #f "(~s,~a)" path - (list->string (map object->string sub-drvs))))) - inputs)) + (list->string (map object->string + (sort sub-drvs string<?)))))) + (sort inputs + (lambda (i1 i2) + (string<? (derivation-input-path i1) + (derivation-input-path i2)))))) (display "," port) - (write-list (map object->string sources)) + (write-list (map object->string (sort sources string<?))) (format port ",~s,~s," system builder) (write-list (map object->string args)) (display "," port) (write-list (map (match-lambda ((name . value) (format #f "(~s,~s)" name value))) - env-vars)) + (sort env-vars + (lambda (e1 e2) + (string<? (car e1) (car e2)))))) (display ")" port)))) (define* (derivation-path->output-path path #:optional (output "out")) @@ -278,26 +289,17 @@ in SIZE bytes." system builder args env-vars) ;; A regular derivation: replace the path of each input with that ;; input's hash; return the hash of serialization of the resulting - ;; derivation. Note: inputs are sorted as in the order of their hex - ;; hash representation because that's what the C++ `std::map' code - ;; does. - (let* ((inputs (sort (map (match-lambda - (($ <derivation-input> path sub-drvs) - (let ((hash (call-with-input-file path - (compose bytevector->base16-string - derivation-hash - read-derivation)))) - (make-derivation-input hash sub-drvs)))) - inputs) - (lambda (i1 i2) - (string<? (derivation-input-path i1) - (derivation-input-path i2))))) - (sources (sort sources string<?)) - (outputs (sort outputs - (lambda (o1 o2) - (string<? (car o1) (car o2))))) - (drv (make-derivation outputs inputs sources - system builder args env-vars))) + ;; derivation. + (let* ((inputs (map (match-lambda + (($ <derivation-input> path sub-drvs) + (let ((hash (call-with-input-file path + (compose bytevector->base16-string + derivation-hash + read-derivation)))) + (make-derivation-input hash sub-drvs)))) + inputs)) + (drv (make-derivation outputs inputs sources + system builder args env-vars))) (sha256 (string->utf8 (call-with-output-string (cut write-derivation drv <>)))))))))) @@ -354,22 +356,19 @@ known in advance, such as a file download." (define (env-vars-with-empty-outputs) ;; Return a variant of ENV-VARS where each OUTPUTS is associated with an - ;; empty string, even outputs that do not appear in ENV-VARS. Note: the - ;; result is sorted alphabetically, as with C++ `std::map'. + ;; empty string, even outputs that do not appear in ENV-VARS. (let ((e (map (match-lambda ((name . val) (if (member name outputs) (cons name "") (cons name val)))) env-vars))) - (sort (fold (lambda (output-name env-vars) - (if (assoc output-name env-vars) - env-vars - (append env-vars `((,output-name . ""))))) - e - outputs) - (lambda (e1 e2) - (string<? (car e1) (car e2)))))) + (fold (lambda (output-name env-vars) + (if (assoc output-name env-vars) + env-vars + (append env-vars `((,output-name . ""))))) + e + outputs))) (let* ((outputs (map (lambda (name) ;; Return outputs with an empty path. |